SAN FRANCISCO, CA - 04OCTOBER07 - Security guards and their supporters march through downtown San Francisco, and then sit in and block an intersection. 23 were arrested as they protested the unwillingness of security companies to negotiate a fair union contract. The security officers work in the city's high-rise office buildings. Their union, Service Employees Local 24/7, wants to pressure security companies and building owners into improving wages and conditions for guards, and signing a new union contract. They accuse employers of maintaining a double standard in which security guards, who are mostly African-American, are paid less and receive fewer benefits than other workers in the same buildings.
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